Keep a scarf, or longish belt handy. If you loop it around your foot, as shown, and hold both ends it should be long enough to reach your chest.
Inhale. Loop the scarf around your right foot. Exhale, lifting the right foot up a little. On first attempt lift only about a foot or so off the ground. Release. (After regular practice, you may raise your foot so the leg is almost parallel to the ground, as shown.) Repeat a few times, till balance becomes steady.
Initially focus on the balance. You will advance faster with the leg-raise once that is strengthened. Relax. Repeat sequence for other leg.
Avoid: If having weak legs, knees or lower back.
Benefits: Improves the sense of balance. This in turn affects the cerebellum, which is also related to your social expression. Harmonises both brain hemispheres. Tones the legs, trims fat along hips, thighs.
Also read: Tighten up your body with these three asanas